he almost night want to look at a nevada company that sells shoes. it's rewriting the book on internet business. tom foreman has our building up america report. >> reporter: 24-7, two by two, zappos.com is moving shoes. more than a billion annually in internet sales, fueled by a wide selection, free shipping and money back guarantied. not bad for a company started a dozen years ago with a radical concept. success is about service. >> okay, no problem. >> reporter: not selling. >> for us, culture isn't just important but it's the number one priority of the company. >> reporter: the culture is raw kus, infectious and everywhere. employees decorate as they choose, enjoifing an unbelievable array of company services, including free lunch, ice cream, massages. we asked our guy about the business environment. >> this is a business meeting. >> there's a lot of giggling